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This CRN certified horizontal pressure vessel was fabricated for a refinery in Western Canada. The pressure vessel contains a woven mesh mist eliminator and a boot type sump to separate entrained liquids from a pressurized gas stream. Pressure vessels fabricated for the petrochemical marketplace are required to meet stringent quality standards and non-destructive testing criteria which are over and above the ASME Code Section VIII, Pressure Vessel Standards

Pilot Plant vessels are typically full length but small diameter to allow the OEM to replicate full scale performance conditions in a more economical scal. All-Weld has worked with many international Engineering and Design companies designing and supplying pilot plant scale pressure vessels, heat exchangers and other process equipment. Pilot plant vessels may contain internals such as packed beds, trays, spray headers or liquid cllection media. Material of construction may be from steel, stainless steel, Chrome alloys or Nickel alloys. Vessels can be supplied stand-alone or installed in Modular skids with assembly of piping and associated components.

Pilot Plant vessels are typically full length but small diameter to allow the OEM to replicate full scale performance conditions in a more economical scal. All-Weld has worked with many international Engineering and Design companies designing and supplying pilot plant scale pressure vessels, heat exchangers and other process equipment. Pilot plant vessels may contain internals such as packed beds, trays, spray headers or liquid cllection media. Material of construction may be from steel, stainless steel, Chrome alloys or Nickel alloys. Vessels can be supplied stand-alone or installed in Modular skids with assembly of piping and associated components.

http://physics.carleton.ca/exo
Working collaboratively with Carleton University, All-Weld was able to design and fabricate a pressure vessel which successfully cleared ultra-high vacuum tests well beyond the design requirements. The design incorporated solid metal gaskets and vacuum flange sealing characteristics, redesigned to comply with ASME Code Pressure vessel requirements. The experiments are part of the international EXO (Enriched Xenon Observatory) project observing neutrinos (sub-atomic particles). The vessel is used in the XEP (Xenon Electroluminescence Prototype) experiment.

An Air Receiver is the simplest form of Pressure Vessel and can be configured in any size or configuration. Typically, a length to diameter ratio between 1.5 to 1 and 2.5 to 1 is economical for low to medium pressure applications.

This sculpture is composed of 2″ diameter, 20 foot long stainless steel tubes that pass through two horseshoe shapes. The artist is Markham’s Ted Bielor. It was originally installed in front of the coroner’s building in Toronto, Ontario. After a few years, complaints arose that it was making eerie noises when the wind blew. This wasn’t appreciated in front of a morgue. The tops of the tubes were open and hollow, creating a noise similar to that of blowing across an open bottle. Ted eliminated the disturbance by filling the tubes with sand. We have since manufactured additional major projects for Ted, including the three legged 37″ tall glass bead finish pile of tetraions on the south west corner of York St and Front St, at the University of Toronto. We also assisting with his aluminum castings that were shipped to the Canadian Embassy in Tokyo, Japan.

This is a large painted aluminum and glass hanging sculpture installed over an escalator at Square One Mall in Peel, west of Toronto, Ontario. The artist is Toronto’s Lutz Haufschild, who is known for his glass installation at King and Yonge in Toronto.

This is a 17″ high x 34″ long sculpture leaning on a 7° angle just north of Finch Ave and west of Young Street in North York, Ontario. Previously located in front of North American Life, but currently situated by the Xerox building. The artist is Burton Kramer. It is made from Monte Metal, which is a silicon bronze material that requires expert welding skills. The outer arcs are held on by 3 M automobile accessory tape. The sculpture was originally glass bead blasted to a bright bold finish, but over the past twenty years it has aged, turning from green to its present deep brown oxidation.

The Steel Tree is a 35″ tall, 36,000 pound mixed finish stainless sculpture designed by Toronto Artist Michael Snow, complete with this trademark “Walking Woman.” It was originally installed at the voe joint between Jarvis and Mount Pleasant Bulson Confederation Life’s Bloor Building, but and was later moved to the park on the east side of Mount Pleasant, beside the Rogers Main Office.

This is a 12″ tall mix polish stainless steel sculpture titled “Birch Leaf”, designed by Uxbridge artist ED Falkenberg. It rests on the front lawn of the Ontario Ministry of Natural Resources in Sault Ste. Marie, Ontario.

www.falkenberg.ca
Along with our fabrication of ASME, PED and PRC Pressure Vessels, and custom engineered equipment, All-Weld has enjoyed producing artistic sculptures for over 50 years. This stainless piece is approximately 7″ high and was commissioned by the Uxbridge artist, ED Falkenberg. It originally featured a mirror polished finish, but the artist requested it be glass bead plasted before being shipped to Saudi Arabia.

This is one of many sculptures created in partnership with Welsh born Toronto artist, the late Haydn Davies. The sculpture is painted aluminum and stands approximately 18″ high. As the extended “H” shape may have led you, they exist in front of the Honda Plant in Alliston, Ontario. Within the plant, a “found metal” good luck wall piece fabricated by All-Weld is mounted above the receptionist in their office entrance. Throughout the years, All-Weld built many pieces for Hayden such as: a 25″ high painted aluminum piece in front of the art gallery in Vero Beveh Florida, a 64″ High painted aluminum post office Windsor, Ontario, a 16″ high painted aluminum Burlington, Cultural Center, Ontario, a 25″ high painted aluminum, Algonia Sculpture Paris, Sault Ste. Marie, Ontario; 12″ long painted aluminum, Peterborough, Ontario and other dreams, some unfulfilled.

Gas turbine manufacturers, in developing more efficient and quieter jet engines, need to experimentally reproduce combustion at realistic gas turbine conditions. Using a full scale gas turbine engine for testing purposes can run as high as $10,000/hr. A test facility needs testing hardware that is capable of withstanding the extreme pressure and temperature conditions found in a jet engine, at a comparably modest cost. Testing may include adding artificial loads to failure prone components, flow path testing, varying fuel mixtures and additives, or any number of variables affecting an engine. The test rig normally replicates a radial segment of an engine, internal to the pressure boundary of the test rig.
Developing and designing these test rigs pushes the limits of traditional ASME Code Pressure Vessel design and fabrication into complex engineering analysis, including F.E.A. with combined temperature and thermal stress parameters. Many of the vessels have the added complexity of non-standard shaped design, numerous interface variations for probes, and other test cell measurement instruments.
Communication of engineering development and design with our client partners is done using 3D software to ensure that functionality and fit misinterpretations are avoided. All-Weld’s Quality Assurance Department is fully integrated in projects, from the initial design until the client’s FAT testing to ensure all of our customer’s stringent standards and specifications are met or exceeded. All-Weld’s clients for Gas Turbine Test Rigs include: Agilis Engineering, Florida Turbine, Rolls Royce, Siemens, Power Systems and MDS Aero.

Gas turbine manufacturers, in developing more efficient and quieter jet engines, need to experimentally reproduce combustion at realistic gas turbine conditions. Using a full scale gas turbine engine for testing purposes can run as high as $10,000/hr. A test facility needs testing hardware that is capable of withstanding the extreme pressure and temperature conditions found in a jet engine, at a comparably modest cost. Testing may include adding artificial loads to failure prone components, flow path testing, varying fuel mixtures and additives, or any number of variables affecting an engine. The test rig normally replicates a radial segment of an engine, internal to the pressure boundary of the test rig.
Developing and designing these test rigs pushes the limits of traditional ASME Code Pressure Vessel design and fabrication into complex engineering analysis, including F.E.A. with combined temperature and thermal stress parameters. Many of the vessels have the added complexity of non-standard shaped design, numerous interface variations for probes, and other test cell measurement instruments.
Communication of engineering development and design with our client partners is done using 3D software to ensure that functionality and fit misinterpretations are avoided. All-Weld’s Quality Assurance Department is fully integrated in projects, from the initial design until the client’s FAT testing to ensure all of our customer’s stringent standards and specifications are met or exceeded. All-Weld’s clients for Gas Turbine Test Rigs include: Agilis Engineering, Florida Turbine, Rolls Royce, Siemens, Power Systems and MDS Aero.

Gas turbine manufacturers, in developing more efficient and quieter jet engines, need to experimentally reproduce combustion at realistic gas turbine conditions. Using a full scale gas turbine engine for testing purposes can run as high as $10,000/hr. A test facility needs testing hardware that is capable of withstanding the extreme pressure and temperature conditions found in a jet engine, at a comparably modest cost. Testing may include adding artificial loads to failure prone components, flow path testing, varying fuel mixtures and additives, or any number of variables affecting an engine. The test rig normally replicates a radial segment of an engine, internal to the pressure boundary of the test rig.
Developing and designing these test rigs pushes the limits of traditional ASME Code Pressure Vessel design and fabrication into complex engineering analysis, including F.E.A. with combined temperature and thermal stress parameters. Many of the vessels have the added complexity of non-standard shaped design, numerous interface variations for probes, and other test cell measurement instruments.
Communication of engineering development and design with our client partners is done using 3D software to ensure that functionality and fit misinterpretations are avoided. All-Weld’s Quality Assurance Department is fully integrated in projects, from the initial design until the client’s FAT testing to ensure all of our customer’s stringent standards and specifications are met or exceeded. All-Weld’s clients for Gas Turbine Test Rigs include: Agilis Engineering, Florida Turbine, Rolls Royce, Siemens, Power Systems and MDS Aero.

Gas turbine manufacturers, in developing more efficient and quieter jet engines, need to experimentally reproduce combustion at realistic gas turbine conditions. Using a full scale gas turbine engine for testing purposes can run as high as $10,000/hr. A test facility needs testing hardware that is capable of withstanding the extreme pressure and temperature conditions found in a jet engine, at a comparably modest cost. Testing may include adding artificial loads to failure prone components, flow path testing, varying fuel mixtures and additives, or any number of variables affecting an engine. The test rig normally replicates a radial segment of an engine, internal to the pressure boundary of the test rig.
Developing and designing these test rigs pushes the limits of traditional ASME Code Pressure Vessel design and fabrication into complex engineering analysis, including F.E.A. with combined temperature and thermal stress parameters. Many of the vessels have the added complexity of non-standard shaped design, numerous interface variations for probes, and other test cell measurement instruments.
Communication of engineering development and design with our client partners is done using 3D software to ensure that functionality and fit misinterpretations are avoided. All-Weld’s Quality Assurance Department is fully integrated in projects, from the initial design until the client’s FAT testing to ensure all of our customer’s stringent standards and specifications are met or exceeded. All-Weld’s clients for Gas Turbine Test Rigs include: Agilis Engineering, Florida Turbine, Rolls Royce, Siemens, Power Systems and MDS Aero.

Gas Turbine Test Rigs often are integrated with exhaust cooling ducts so that the hot gas stream can be safely released. The ducts are cooled by water circulating in an outer jacket, and water sprayed directly into the flow stream cools the exhaust gas. The ducts and water jackets are designed and certified to the applicable Pressure vessel jurisdiction, eg the ASME Code, CR/PED (Europe) or SELO (China). The design incorporates allowance for thermal expansion differential between the duct and the jacket and controlled water flow gaps to control water flow and temperature of the inner wall.

These are oxygen free COPPER BUS BARS produced for high energy electro processing of basic minerals. Some joints are high polish, while others feature silver plating. While the majority of cathodes and anodes are copper, aluminum can also be used. All-Weld has also handled the di-electric requirements to produce a complete package. Thickness of the copper run up to 3″. These units are located in northern Ontario, while we have shipped others to southern Ontario, Quebec, western Canada and USA.

This firefighting system was designed and built for a major magnesium producer while they are in a pellet form. In case of fire, the only effective way of extinguishing the blaze is to smother the fire with more magnesium pellets eliminating the oxygen needed by the fire. To that end, we designed the aluminum ASME Pressure Vessels and piping system to suit our clients’ pressure pumping system. These were mounted on electrically powered fire trucks and were shipped to Quebec, Canada. Due to the flammable environment created by magnesium’s low ignition point, everything has to be spark proof, resulting in the use of aluminum for the pressure vessels.

All-Weld is proud to have provided equipment to the SNOLAB Collaboration, recipients of the 2015 Nobel Prize in Physics for proving that neutrinos (sub-atomic particles) have mass. Pictured here is a Process Degasser tower, one of the components in a system built to purify the lab’s 300 million dollars’ worth of heavy water at 100’s of liters per minute. The Degasser was crucial in maintaining low Radon gas levels. All-Weld also supplied the SNOLAB’s heat exchangers. The incredible sensitivity of SNOLAB’s experiments mandated that all equipment had to be finished with immense precision and chemical purity. All-Weld has proudly supplied SNOLAB since 1993, including projects SNO, MiniCLEAN, SNO+, DEAP 3600, and COUPP.

This large stainless steel chemical process reactor is an ASME Pressure Vessel mounted into a floor with a fire seal. Below the floor, the vessel is surrounded by a protective shroud, to insulate the direct firing natural gas heating system on the shell and bottom head of the vessel. The gas burner system was designed and supplied by a third party, and the package was shipped as a complete system and installed in Ontario, Canada for a major chemical producer. Similar applications of gas heating have been installed in other reactors and auto claves through the years.

All-Weld Company Limited has recently added the supply of screw conveyors and related complimentary products to continue to serve those customers historically supplied by A & F Industries. In addition to our various other services, All-Weld is now a full-service provider of process equipment, components and assemblies. We now serve a spectrum of new customers ranging from the pulp and paper industry to water and sewage treatment, including chemical, mining and aggregates, grain handling, and the food processing sector.
All-Weld is capable of designing, engineering, manufacturing, machining, and delivering a variety of screw conveyors, hoppers, tanks, pumps, and feeders. We also provide live bottom bins and hoppers, agitators, feeders and pumps to steaming vessel screws, wear shoes, and flighting. All-Weld can engineer and fabricate to any scale design criteria, cut, roll, shear, brake, and weld requirements. Our material selection is diverse, including 17-4PH, 254-SMO, 2205, and Titanium. These materials are in addition to standard requisitions for carbon steel, stainless steel, Inconel, hastelloy, or other alloy products. Should your application require it, our orders can be machined by our extensive lathe and boring mill services.

All-Weld Company Limited has recently added the supply of screw conveyors and related complimentary products to continue to serve those customers historically supplied by A & F Industries. In addition to our various other services, All-Weld is now a full-service provider of process equipment, components and assemblies. We now serve a spectrum of new customers ranging from the pulp and paper industry to water and sewage treatment, including chemical, mining and aggregates, grain handling, and the food processing sector.
All-Weld is capable of designing, engineering, manufacturing, machining, and delivering a variety of screw conveyors, hoppers, tanks, pumps, and feeders. We also provide live bottom bins and hoppers, agitators, feeders and pumps to steaming vessel screws, wear shoes, and flighting. All-Weld can engineer and fabricate to any scale design criteria, cut, roll, shear, brake, and weld requirements. Our material selection is diverse, including 17-4PH, 254-SMO, 2205, and Titanium. These materials are in addition to standard requisitions for carbon steel, stainless steel, Inconel, hastelloy, or other alloy products. Should your application require it, our orders can be machined by our extensive lathe and boring mill services.

This represents one of many pieces of equipment that we have produced for the recycling of paper into pulp. Most are stainless steel with painted carbon steel structural supports. Applications in the industry include de-inking pulpers, scavengers, and screening equipment. While these are for pulp and paper, analogous equipment has been built for energy, in-line, food production and other industries. most of these have been installed in USA and Canada.

This TURNKEY PACKAGED SKID-MOUNTED ASSEMBLY was designed and fabricated by All-Weld to the ASME Code. It contains titanium heat exchangers and piping along with stainless vessels and painted carbon steel structural. This particular package is installed at a steel produced in Ontario, Canada. Other skid mounted packages have been distributed to the USA, Libya, Canada, and other parts of the world.

Aurora Filters has developed a line of portable Filter Systems that combine a single plate vacuum filtration device with a jacketed glove box surrounded by a heating/cooling jacket. This design allows for the filtration, drying, discharging, and packaging of products in an enclosed, inert environment, and ensures product integrity and safe working conditions.
Examples of typical applications are the kilo lab and pilot plant production of pharmaceutical bulk activities, as well as intermediates and fine chemicals that are sensitive to the atmosphere or are produced in volatile solvents. Aurora filters offers a range of models to suit specific needs and products being produced, as well as a variety of custom options to accommodate any of our customer’s requirements. For more information, visit our website at www.aurorafilters.com.

This horizontal autoclave style vessel was designed to a customer’s specific requirements. The swing-bolt style flange bolts are engaged with a cam-lock lever allowing the operator to quickly release the door with no tools and no loose parts. The vessel is fabricated entirely from stainless steel and designed to the ASME Code with a U Stamp and CRN. (Canadian Registration Number). The vessel is used in a pill coating process.

All-Weld produces Pharmaceutical Mixing Tanks from 20 liters to 500 liter capacity. The tanks are fabricated with 316/L grade stainless steel or other alloys and OD mechanically polished and ID electro-polished. A sanitary sealed manway allows product to be accessed through the top. The magnetic drive in the bottom head of the tank provides low level mixing with no shafts, seals or possibilities for leakage. Where required, an external jacket can be incorporated to provide heating or cooling. Mixing tanks can be ASME code or non-code for lower pressure and non-jacketed applications. Canadian (CRN), European (CE/PED) and China (SELO) codes can be adhered to and certified.

This 16″ diameter 65,000-pound stainless steel Pressure Leaf Filter contains a 24″ diameter shaft that was machined by All-Weld. The painted filter leafs were supplied by our client and installed by us prior to test running the assembly. It is an ASME Vessel used for filtering wood particles from the liquid in a pulp operation in Sweden.

These horizontal titanium filters contain internal rotative manifold and filter plates made of PVC with double screening. They are ASME vessels that polish ammonia base liquids used in retail cleaning. They have a backwash system to allow continuous operation. They are supported by a painted carbon steel stand and drive base. This package has been produced in three sizes and distributed to Canada, the USA, Brazil, and Australia. All-Weld has the capability to fabricate pressure vessels using C276, Hastelloy, C2000, Inconel 625, Inconel 601, 800HT, Aluminum, Copper, and a variety of other alloys.

The filter housings in this photo are fabricated from a high nickel alloy for service at an operating temperature over 700oC. The filter elements are made of porous sintered metal and are cleaned by a shock pulse released by the control valves. The vessel is shrouded by insulating material and stainless steel cladding. The vessels are designed and fabricated to the ASME Code, however they operate at low pressure and are outside the jurisdiction of the ASME Code.

Filter housings are fabricated from a variety of materials for filtration OEM companies around the world. There are three main Filtration Housing types: disposable cartridge, backwash, or pulse cleaned. Filter housing are often certified pressure vessels custom designed to the specified pressure, temperature and corrosive medium requirements. Filter Housings are designed with full body flanges to facilitate filter media maintenance or replacement. All-Weld has fabricated filter housings for global filtration OEM’s as Pall Corporation, Parker Hannifin, General Filtration, Eaton, Dollinger, Porvair, Hayward Gordon, FEDS and others.

A half-pipe (180 deg) or seg pipe (120 deg) coil is a heat transfer system where the heating or cooling fluid is circulated through the coil to affect the temperature of the contents in the main vessel. The coil is normally coved with an insulating material to optimize the efficiency of the heat transfer. Half pipe coils can be applied continuously or in zones. Half pipe coils are often utilized in conditions with moderate temperature differential and controlled heating or cooling. Sudden or severe temperature differentials in the coil or vessel can cause thermal stress corrosion failures.

A Dimple Jacket is a thin external shell secured to the main vessel by a series of uniformly spaced button welds. The heating or cooling fluid is circulated through the dimple jacket to affect the temperature of the contents in the main vessel. The jacket is normally coved with an insulating material to optimize the efficiency of the heat transfer. Dimple jackets are normally applied in zones dictated by the width of the dimpled plate. Dimple jackets are often utilized in conditions with low to moderate temperature differential, and gradual heating or cooling. Dimple Jackets can be applied to heads or shells.

This is a HORIZONTAL IN-LINE OXIDIZER/HEAT EXCHANGER assembly employed in air purification. The external components are made from carbon steel, while the internal components are stainless. Ceramic insulation is installed on the inside of the shell. The impure air enters and is preheated by the hot oxidized air prior to entering the chimney. Operation efficiencies are monitored to EPA regulations through sensors at the top of the stack. These units have been installed in Canada and USA.

This is a rendering created by our engineering software that depicts the assembly of a Vertical Heat Exchanger and oxidizer C/W exhaust stack. Contaminated process air is preheated in the heat exchanger prior to being ignited by a gas fed burner in the oxidizer. The heated air travels through the oxidizer, then pre-heats the incoming contaminated air, before being released into the atmosphere through the stack as a cleaned entity. Vertical Heat Exchangers can be fabricated to any custom specifications.

Ethanol production plants produce Ethanol for vehicle fuel, bio-oil, and livestock feed, from sugar based feed stocks. Evaporator Heat Exchanger columns are an important component of the process producing both wet and dry feed and bio-oil. All-Weld’s Evaporator vessels contain over 1500 stainless steel tubes that are 1.5″ diameter by 40 ft long. In addition to Evaporators, All-Weld supplies Distillation Columns, Condenser/Reboilers and other associated vessels and equipment for Ethanol Production facilities.

These Condensers are used to recapture evaporated oil from the production of French Fries. The evaporated oil is cooled as it passes through the tubes and condensed back to its liquid form. The oil is recycled into the large fryer vats. Two identical units were fabricated for a large name brand producer in Eastern Canada. Each condenser has 2200 tubes.

When a customer approached us with the challenge of constructing a heat exchanger with severe physical space restrictions, All-Weld designed and fabricated an unconventionally rectangular Heat Exchanger Pressure Vessel in order to fulfill the needs of our client. The vessel includes a CRN registration and features a lattice of cross bracing to provide the structural strength necessary to resist the internal pressure. Pressure vessels are normally fabricated as cylinders as this is the most efficient configuration. All-Weld’s former President William (Bill) Dunsmoor, P.Eng. points out that “our customer’s engineers came to us to help them come up with an out-of-the-box solution. Our “box” solution helped them to achieve the process capacity they needed with severe physical space restrictions”.

Here is an assembly for purification of process air. The air is subjected to high temperatures which ignite and destroy flammable particles. A horizontal heat exchanger filled with incoming process air is heated by the outgoing purified air. The top tank is an oxidizer dwelling chamber with a natural gas burner to ignite and assist in the self-destruction process. Due to the, high temperatures involved both vessels are internally insulated. The purified and unpurified air are separated by a novel design that allows for the thermal expansion of the tubes. All-Weld can fabricate to any specified diameter and length, and has shipped these products to the USA, Canada, and Europe. The majority of these heat exchangers are manufactured from carbon steel with internal ceramic insulation, however in some cases stainless steel or high nickels with external insulation are utilized instead.

The tube bundle comprises of the heat exchanger tubes, tube sheets, baffles and tie rods which hold the bundle together. The tubes can be welded and/or expanded into the tubesheets. The baffles are located on the shell side to control the heat-transfer rate by increasing the flow rate accross the tubes and to support the tubes. Over time, tubes can be damaged by vibration, corrosion, erosion or thermal stress fatigue. Replacement tube bundles including tubesheets can be custom manufactured to replace existing units that require replacement. Replacement bundles can be certified to the ASME Code (/TEMA) and Canadian CRN regulations and requirements.

Shown here is a stainless steel fractionator for Ammonia Processing. Internally, the ASME pressure vessel contains horizontal trays and downcomers. All-Weld fabricates vessels to any custom specification, design, diameter, or height, with limitations only imposed by shipping restrictions. The trays are supplied by a local established company.

The photo shows the insulated bottom of the oversized shipment as it heads to Guelph, Ontario, Canada. On installation, it is set on its base with the 21 ft high x 17 ft wide opening on one end that slides horizontally sideways to allow the product to be rolled in. The door closes and is quietly locked in place by pivoting fingers activated through coil springs and deactivated by air hose expansion all in absoluted quietness. This box is designed for full vacuum to eliminate all moisture from product then hydrostatic pressure as the chamber is filled with saturating liquid which is later drained. This project represents another successful custom engineering and fabricating operation where All-Weld thinks outside the box.

A custom fabricated piece representative of All-Weld’s capabilities in engineering and fabricating. This horizontal ASME pressure vessel is capable of high pressures and temperatures and used in a major pilot plant operation for the study of hydrometallurgy. Internally, it is overlay welded, and features a special lining and titanium dividers for multiple chambers that are serviced with individual mixers. The vessel is now used in Canada’s Voisey’s Bay Project located in Newfoundland.

Developed in conjunction with the Agricultural College at the Virginia Tech University Campus, this biohazard sterilizer is used in biosafety level 3 research centers working on Mad Cow Disease and other highly infectious diseases. The agitation vessel has been proven to be the most successful for sterilization of animal and biomedical waste, above acid baths and incineration. It makes use of high pressures and temperatures, in addition to internal cutting blades protruding from a horizontal agitator driver shaft in order to fully decontaminate entire animals at once. This is our largest style sterilizer, and with its feed column, it can easily take in large animals whole. Similar systems are used in the Government of Canada’s major laboratories in Winnipeg. The byproduct effluents are sterilized liquids and a dry powder that can be used as fertilizer. The complete system includes an insulated steam jacketed horizontal mixing vessel and the large diameter vertical feed chute into the top.

In partnership with a Canadian client, All-Weld has built a variety of these horizontal sterilizers units. Their purpose is the handling of hospital waste and other forms of biomedical waste. The unit makes use of a uni-width steam jacket and internal mixing cutting blades. The waste undergoes a sterilizing process at high pressure and temperature, such that on completion it can be safely deposited in landfills. Systems have been installed in Russia, Greece, Lebanon, Italy, Argentina, Canada, USA, and two large units servicing Heathrow Airport in London, England.

Designed and fully fabricated by All-Weld, the Quick Release Spider Door is installed on our ASME PVHO Decompression Chambers. The quick release door allows for a single manually operated leaver to seal a Pressure Vessel rated Access Opening. In addition to the Spider Door, All-Weld builds various styles of quick release doors for ASME Pressure Vessels.

For large diameter tunnels, the Tunnel Boring Machine features a smaller compartment ASME PVHO decompression chamber attached to it’s front face membrane. The size of these compartments varies, but all must contain sufficient space to seat employees and maneuver a stretcher in an emergency. Employees must undergo compression in order to service the cutting blade located at the front of the Tunnelling Machine, and then must be decompressed upon returning. Our PVHO decompression chambers are equipped with Quick Release Doors, which are designed and fully fabricated by All-Weld. Our Decompression Chambers have been operated in Canada, USA, Brazil, Portugal, as well as two used in the construction of the undersea Channel Tunnels between England and France.

All-Weld is capable of producing a variety of ASME and Pressure Vessel for Human Occupancy Standard Decompression Chambers. A decompression chamber is an integrated component of the Tunnel Boring Machines used to construct subways and other vehicle transport passages. Construction employees must undergo compression in order to [REASON], and then must be decompressed upon returning. The completed tunnel sits at atmospheric pressure, while the surrounding area is pressurized to minimize ground water […..]. As the tunnels are bored, the soil is removed by screw conveyor. This was All-Weld’s only full diameter chamber capable of sealing the contour of a tunnel. .

This stainless steel Vertical Process Reactor features full external segmental coil jacketing, The jacketing can also be manufactured with half pipe coil to . The unit shown was built under our People’s Republic of China Pressure Vessel Certificate and shipped to the northwest corner of China. The potential height and diameter of the reactor are limited only by shipping restrictions.

This Vertical Reactor is designed to maximize heat transfer by making use of an exterior jacket shell. The horizontal tubes are fed continuously as a parallel operation. Free falling streams of heated styrene pass through a mixer with multiple single cross blades between the individual layers of horizontal tubes. The mixer is driven by co-ordinated hydraulic drives on each end of the shaft for quiet operation. All-Weld has supplied polystyrene reactors to customers in the United States and Indonesia.